Canal, southeastern Ontario, Canada.
Linking Lake Ontario , the canal extends from the southeastern shore of Georgian Bay up the Severn River to Lake {{link=Simcoe, Lake">Simcoe , connects several lakes of the Kawartha Lake region to Rice Lake, and passes down the Trent River to the Bay of Quinte and Lake Ontario. Its 242-mi (389-km) main course consists of 33 mi (53 km) of man-made channels and 42 locks. Construction began in 1833. The waterway once served a busy lumber trade; it is now a popular tourist attraction.